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52 lines
943 B
52 lines
943 B
/*
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* Copyright (c) 2017 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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void exit_bo_good_unreachable_bad() {
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int arr[1];
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exit(1);
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// unreachable so no buffer overrun
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arr[42] = 42;
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}
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void fgetc_m1_bad(FILE* f) {
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int arr[10000];
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int c = fgetc(f);
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arr[c] = 42;
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}
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void fgetc_255_bad(FILE* f) {
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int arr[255];
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int c = fgetc(f);
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if (c >= 0) {
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arr[c] = 42;
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}
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}
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void fgetc_256_good(FILE* f) {
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int arr[256];
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int c = fgetc(f);
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if (c >= 0) {
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arr[c] = 42;
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}
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}
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void fgetc_256_bad(FILE* f) {
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int arr[256];
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int c = fgetc(f);
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arr[c + 1] = 42;
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}
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void fgetc_257_good(FILE* f) {
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int arr[257];
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int c = fgetc(f);
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arr[c + 1] = 42;
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}
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